Lancaster Watch Co. Keystone Watch Co.

Grade Keystone Watch Co. is a watch maufacturered by Lancaster Watch Co.. The size 18s, movement features.

Keystone Watch Co. Movement Characteristics

Size18s
Jewels10j, 15j, or 20j
ConfigurationHunting
FinishGilt, Gilt Damaskeened, or Nickel
Model3 or 2 or 4 or 1 or 1 or 5
SettingLever
Adjusted?

Keystone Watch Co. Production Info

Total Production97,960
Number of Runs63
Production Years1883-1891
First Serial102,501
Last Serial1,006,000
Largest Run10,000
Smallest Run10
Most Common Run1,000